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Cato Research Chemicals Inc.??? ?? ??? ?????.
?? ?:
Cato Research Chemicals Inc.
??:
020-81960175
???:
3008394369@qq.com
??:
China
URL:
www.cato-chem.com/
? ?? ?:
15726
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?? ????
Atorvastatin Lactam calcium Salt Impurity
1046118-41-5
C33H37CaFN2O6
Pregabalin Impurity 86
466678-44-4
C20H35NO11
Salicylaldehyde Azine
?????????
959-36-4
C14H12N2O2
Cholic Acid Impurity 19
2304-89-4
C24H38O5
Levothyroxine EP Impurity E
3,5-????-L-???
1041-01-6
C15H13I2NO4
Crizotinib impurity 13
4-??????
2075-45-8
C3H3BrN2
Lysergamide
9,10-?????-6-??????-8??-??????
478-94-4
C16H17N3O
Ampicillin Impurity 53
N-Nitroso Venlafaxine EP Impurity D
2680662-11-5
C16H24N2O3
Guaiazulene Impurity 6
93914-28-4
C15H19NaO3S
LCZ-696 Impurity 13
2376611-98-0
C26H33NO5
Marbofloxacin EP Impurity A
115551-40-1
C11H8F2N2O4
Cytarabine
????????
147-94-4
C9H13N3O5
Cefpodoxime Proxetil EP Impurity E
CefpodoxiMeProxetil???E
217803-89-9
C22H27N5O10S2
Perampanel Impurity 9
380918-51-4
C22H16N2O
Perampanel Impurity 4
380918-53-6
C23H15N3O
Relugolix Impurity 11
2814571-34-9
C29H27F2N7O6S
Baricitinib Impurity 42
1146629-77-7
C15H17N5O2
Dihydrodydrogesterone-d7
D-Alanyl-L-glutamine TFA salt
205252-36-4
C8H15N3O4
Levosimendan Impurity 1
252638-01-0
C14H11N7O2
Sildenafil-d8
????-D8
951385-68-5
C22H22D8N6O4S
Everolimus Impurity 9
2,6-?-tert-??-4-???-2,5-????????
2607-52-5
C15H22O
N-Pivaloyl-L-tyrosine
N-????-L-
33019-85-1
C14H19NO4
Ranaconitine
?????
1360-76-5
C32H44N2O9
Atropine Impurity 37
35721-90-5
C17H23NO3
Nizatidine
NIZA??
76963-41-2
C12H21N5O2S2
Levofloxacin Impurity 59
1012310-27-8
C15H12F2N2O6
Simethicone
???? (DOW CORNING)
8050-81-5
(C2H6OSi)n
Fudosteine Impurity 29
D-Ascorbic Acid Impurity 19
2-??-D-?????????
67776-07-2
C7H12O7
Duloxetine EP Impurity G
321-38-0
C10H7F
Cladribine Impurity 3
?????????
77-73-6
C10H12
Doxorubicin Impurity 3
69429-21-6
C26H27NO11
Oxymetazoline EP Impurity C
4-tert-??-2,6-???-3-????????????(????????????)
55699-13-3
C14H21NO2
LCZ-696 Impurity 45
1015037-46-3
C23H27NO4
Oxcarbazepine EP Impurity B
10-?????????
28721-09-7
C16H14N2O2
Triamcinolone Acetonide EP Impurity E
1524-86-3
C24H33FO6
Cefixime Trihydrate
125110-14-7
C16H17N5O8S2
Propofol EP Impurity N
3,5-??????-4-???????
13423-73-9
C13H18O3
Tizanidine EP Impurity C
1147548-83-1
C16H14Cl2N10S2
Losartan EP Impurity D
83857-96-9
C8H11ClN2O
Flurbiprofen Axetil
91503-79-6
C19H19FO4
Exemestane EP Impurity C
2130745-60-5
C21H24O2
snap-8
?????????-3
868844-74-0
C41H70N16O16S
Tenofovir Disoproxil Impurity 45
?????????????
35273-90-6
C5H9ClO3
Lorazepam EP Impurity D
???????D
54699-91-1
C15H10Cl2N2O2
Atorvastatin Impurity 44
C66H68CaF2N4O10
Miglitol
72432-03-2
C8H17NO5
Guaiazulene Impurity 2
Lifitegrast Impurity 34
Dapagliflozin RC 3
1469910-83-5
C21H25ClO6
Tenofovir disoproxil Impurity 96
35180-01-9
C5H9ClO3
Lusutrombopag Z-isomer
Dapagliflozin Impurity 102
(5-broMo-2-???-??)-(4-???-??)-???
333361-49-2
C14H10BrClO2
Methotrexate Impurity N2
6-??-2,4-???????
708-74-7
C7H8N6
2,4-Dinitro-m-xylene
603-02-1
C8H8N2O4
Triacetic Acid Impurity 3
862542-34-5
C8H13N3O7
Cyclophosphamide impurity 30
2924754-60-7
Latanoprost Impurity 1
2088449-88-9
C20H25O3P
Levothyroxine impurity 47
92028-82-5
C13H13NO2
Bupropion impurity 66
80478-42-8
C13H21Cl2NO
Obeticholic Acid Impurity 3
1708092-13-0
C26H44O4
Tenofovir Impurity 24
14047-28-0
C8H11N5O
Fluconazole N-Oxide
1997296-62-4
C13H12F2N6O2
Cefotaxime Impurity 14
Caspofungin Acetate C0 Analog(Caspofungin EP Impurity F)(RRT=1.1)
Letrozole Impurity 15
4-(??????)?????
74231-65-5
C8H5Cl2N
Dydrogesterone Impurity N3
25093-47-4
C21H28O2
Butylphthalide Impurity 61
40125-50-6
C8H4Br2O2
Phenoxymethylpenicillin EP Impurity F
2714805-53-3
C15H20N2O4S
Phenoxymethylpenicillin Impurity 7
?????
122-59-8
C8H8O3
p-Tolunitrile
104-85-8
C8H7N
Brexpiprazole Impurity 56
1191900-59-0
C25H27N3O4S
Oseltamivir Impurity 76
1,3-?????-5-?????,3a,6,7,7a-??????-2,2-???-7-[(?????)??]-,??????,(3aR,7R,7aR)-
204254-84-2
C13H20O7S
Cefotaxime Bromoacetyl analog
83305-12-8
C15H16BrN3O8S
Letrozole EP Impurity A
4,4′-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS?????
112809-52-6
C17H11N5
Tolvaptan Impurity 20
137982-91-3
C18H15ClN2O4
(S)-3-Amino-piperidine-2-one Hydrochloride
(S)-3-???????-2-?
34294-79-6
C5H10N2O
Trimethylamine N-Oxide
??????????
1184-78-7
C3H9NO
Trametinib
?????
871700-17-3
C26H23FIN5O4
2-Methylbutyric Acid
2-?????
116-53-0
C5H10O2
Nebivolol Impurity 33(SR,RR)
1696472-15-7
Ibrutinib Impurity 2
1839099-22-7
C25H26N6O2
Polaprezinc Impurity 20(β-Ala-L-His-L-His)·TFA salt
AZD-9291 Impurity 3
1421373-98-9
C27H31N7O2
Valsartan Impurity 68
((R)-2-???-4-?-1-????)???????t-??????
149709-58-0
C20H23NO3
Baricitinib Impurity 20
2-(1-(?????)????-3-???)??????
1187595-85-2
C7H10N2O2S
Fluocinolone Acetonide EP Impurity I
Landiolol Impurtiy 63
Lorazepam Impurity 5
6-???-4-(2-?????)????-2-??????
93955-15-8
C15H8Cl2N2O
Clarithromycin Impurity 20
118074-07-0
C38H69NO14
Brexpiprazole Impurity 15
5-?????-2(1H)-????
31570-97-5
C9H7NO2
Semaglutide Impurity 20
1169630-82-3
C142H216N38O45
Bumetanide Impurity 25
105641-65-4
C17H19NO3
Captopril EP Impurity E
23500-15-4
C9H15NO3
Iguratimod Impurity 5
5-???-2-??????
76838-72-7
C13H13NO2
Phenoxymethylpenicillin EP Impurity D
4-?????????V
20880-67-5
C16H18N2O6S
Meloxicam EP Impurity C
1262333-25-4
C15H15N3O4S2
Betahistine
5638-76-6
C8H12N2
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